ER8 2.4GHz ELRS PWM Receiver

The RadioMaster ER series of PWM receivers is built on the innovative ExpressLRS protocol. It provides high performance, dependable signal, versatile configuration, and quick response time, offering a new experience for your projects and applications.

The RadioMaster ER8 receiver has been specially designed for users. It can drive up to 8 servos and has built-in receiver voltage telemetry and flight battery telemetry with the ability to automatically detect which voltage input to use. A 4-wire CRSF interface is provided to facilitate later expansion of telemetry sensors. The ER8 features a dual-antenna with telemetry power up to 100mw. The receiver shell adopts one-piece molding process with high structural strength.

Features

Based on the Revolutionary ExpressLRS System

High performance, high reliability, flexible configuration, low latency, and strong link quality

Support 8 PWM Channels

Optimized ground up PCB design

Automatically voltage telemetry of external battery voltage or built-in receiver voltage

Supports Wi-Fi updates and WEBUI configuration

High quality 2.54 mm connector

Standard 20 cm High Sensitivity Antenna

Reserve 4pin CRSF input port

Shell adopts one-piece molding process with high structural strength

For many applications

Compatible with all 2.4GHz ExpressLRS modules and transmitters with built in 2.4GHz ExpressLRS

Specification

Item: ER8 2.4GHz ELRS PWM Receiver

Power supply: DC 4.5 - 8.4V

Antenna type: 20cm high sensitivity antenna

Wireless protocol: ExpressLRS 3.3.0 pre-installed

Output channel: 8CH PWM

Serial Output: CRSF / Sbus

Telemetry power: maximum 100mw (LUA Adjustable)

Battery voltage detection range: DC 4.0 - 35V

Bus interface: CRSF

Weight: 16.5 grams

Size: 43*30*15mm

Firmware: Device Category: Radiomaster 2.4Ghz / Device: RadioMaster ER8 2.4GHz Diversity+8xPWM RX